CN219371539U

CN219371539U - Socket and connector combination

Info

Publication number: CN219371539U
Application number: CN202223426447.4U
Authority: CN
Inventors: 蔡宗明; 覃德锋; 杨磊; 李玮; 庄昆
Original assignee: Dongguan CCP Contact Probes Co Ltd
Current assignee: Dongguan CCP Contact Probes Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-07-18
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a socket and connector combination, wherein the socket comprises an insulating seat, a terminal group, a magnetic attraction piece, a mounting seat and an elastic deformation structure. The terminal group is fixed in the insulating seat and comprises a plurality of power terminals and/or signal terminals. The magnetic attraction piece is fixed in the insulating seat. The mounting seat is provided with a mounting hole, and the insulating seat is arranged in the mounting hole in a penetrating mode. The elastic deformation structure is arranged between the insulating seat and the mounting seat and provides floating adjustment for the insulating seat. The socket has the advantage of high fault tolerance. Correspondingly, the connector combination has the advantage of high fault tolerance, can meet the requirement of large-current transmission, and effectively reduces the risk of instantaneous disconnection of the signal terminal.

Description

Socket and connector combination

Technical Field

The present utility model relates to the field of electrical connectors, and more particularly, to a receptacle connector and a connector assembly.

Background

When an electric appliance is to be used, a connector is required to be matched for transmitting power and signals, the connector comprises a plug and a socket, and the power and/or signals are transmitted to the electric appliance by means of the electric connection between the plug and the socket. The existing socket has no floating function, the fault tolerance is poor when the plug and the socket are plugged, and the plug and the socket are difficult to be accurately and effectively butted. Moreover, the contact point of the power terminal in the current socket is single, so that the impedance is larger, the large-current transmission cannot be met, and the signal terminal is also in instantaneous break risk.

Accordingly, there is a need for a receptacle and connector combination with high fault tolerance to overcome the above drawbacks.

Disclosure of Invention

The utility model aims to provide a socket with high fault tolerance.

Another object of the present utility model is to provide a connector assembly with high fault tolerance.

The socket comprises an insulating seat, a terminal group, a magnetic attraction piece, a mounting seat and an elastic deformation structure. The terminal group is fixed in the insulating seat and comprises a plurality of power terminals and/or signal terminals. The magnetic attraction piece is fixed in the insulating seat. The mounting seat is provided with a mounting hole, and the insulating seat is arranged in the mounting hole in a penetrating mode. The elastic deformation structure is arranged between the insulating seat and the mounting seat and provides floating adjustment for the insulating seat.

Preferably, the elastic deformation structure is arranged in a bending way, and the elastic deformation structure can at least bend and deform along the axial direction and the circumferential direction of the insulating seat.

Preferably, the elastic deformation structure is an annular structure, the elastic deformation structure comprises an inner ring structure, an outer ring structure and a bending structure connected with the inner ring structure and the outer ring structure, the inner ring structure is sleeved on the insulating seat, and the outer ring structure is clamped on the mounting seat.

Preferably, the power terminal has a butt-joint end, the butt-joint end includes a plurality of contact elastic pieces arranged in a circle around a central axis of the power terminal, and the contact elastic pieces are arranged at intervals.

Preferably, the contact elastic sheets are arranged in a bending way, the butt joint ends are gradually closed, and a terminal protection sleeve is sleeved outside the butt joint ends.

Preferably, the signal terminal comprises a contact shaft sleeve, an elastic piece, a ball and a contact head, wherein the contact shaft sleeve is provided with an installation cavity with an opening at the end part, the elastic piece, the ball and the contact head are installed in the installation cavity, the elastic piece is arranged between the contact shaft sleeve and the ball, the ball is arranged between the elastic piece and the contact head, the contact head penetrates out of the opening, the contact head is provided with an abutting surface which is abutted to the ball and is obliquely arranged, and the elastic piece is constantly provided with a trend of pushing the ball out of the installation cavity so that the ball is constantly abutted to the abutting surface.

Preferably, a sealing ring is sleeved on the outer side wall of the insulating seat, and the top of the insulating seat is provided with a butt-inserting positioning hole.

To achieve the above another object, a connector assembly of the present utility model includes a plug and the above-described receptacle. The plug comprises a pairing insulating seat, a pairing terminal group and a pairing magnetic attraction piece, wherein the pairing insulating seat is provided with an insertion cavity, the pairing terminal group is fixed on the pairing insulating seat and penetrates through the insertion cavity, the pairing terminal group comprises a plurality of pairing power supply terminals and/or pairing signal terminals, and the pairing magnetic attraction piece is fixed in the pairing insulating seat.

Preferably, the end surfaces of the mating signal terminals are concavely arranged.

Preferably, the mating insulator seat extends outwardly along a circumference thereof to form an assembly seat, and the plug further includes a plug positioning member mounted to the insertion cavity.

Compared with the prior art, in the butt joint process of the plug and the socket, the elastic deformation structure can provide floating adjustment for the insulating seat, the socket can be adjusted, the plug is suitable for insertion of the plug, the fault tolerance of the socket in the process of inserting is improved, and the plug and the socket can be accurately and effectively butt-jointed.

It can be understood that the connector combination has the advantage of high fault tolerance, has more contact points, can meet the requirement of large-current transmission, and effectively reduces the risk of instantaneous disconnection of the signal terminal.

Drawings

Fig. 1 is a perspective view of the connector assembly of the present utility model when the receptacle is separated from the plug.

Fig. 2 is a front view of the connector assembly of the present utility model when the receptacle is mated with the plug.

Fig. 3 is a front view of the socket of the present utility model.

Fig. 4 is a perspective view of the socket of the present utility model after the mounting base is separated from the elastically deformable structure.

Fig. 5 is a cross-sectional view taken along line A-A in fig. 3.

Fig. 6 is an exploded perspective view of the socket of the present utility model.

Fig. 7 is a perspective view of a power terminal of the present utility model.

Fig. 8 is a cross-sectional view of a signal terminal of the present utility model.

Fig. 9 is a cross-sectional view of the mating signal terminal.

Fig. 10 is a perspective view of the plug of the present utility model.

Fig. 11 is an exploded perspective view of the plug of the present utility model.

Detailed Description

In order to describe the technical content and constructional features of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.

As shown in fig. 1 to 6, 10 and 11, the present utility model discloses a connector assembly 100 for transmitting power and/or signals, which can be used for electric bicycles, electric motorcycles, industrial equipment, medical devices, and the like, but is not limited to the above list. The connector assembly 100 of the present utility model includes a receptacle 10 and a plug 20, and the plug 20 is mated with the receptacle 10 to enable transmission of power and/or signals.

The socket 10 of the present utility model includes an insulating base 11, a terminal set 12, a magnetic attraction member 13, a mounting base 14, and an elastically deformable structure 15. The terminal set 12 is fixed in the insulating base 11 and comprises a plurality of power terminals 121 and signal terminals 122, wherein the power terminals 121 are used for transmitting power, the signal terminals 122 are used for transmitting signals, and the terminal set 12 can be provided with only the power terminals 121 or only the signal terminals 122 according to actual needs. The magnetic attraction piece 13 is fixed in the insulating seat 11. The mounting base 14 has a mounting hole 141, and the insulating base 11 is disposed through the mounting hole 141. The elastic deformation structure 15 is installed between the insulating base 11 and the mounting base 14, and the elastic deformation structure 15 provides floating adjustment for the insulating base 11.

The plug 20 includes a mating insulator 21, a mating terminal group 22, and a mating magnetic attraction member 23. The mating insulating base 21 has an insertion cavity 211, and the mating terminal set 22 is fixed to the mating insulating base 21 and extends out of the insertion cavity 211, and the mating terminal set 22 includes a plurality of mating power terminals 221 and/or mating signal terminals 222. The mating magnetic attraction member 23 is fixed in the mating insulating base 21.

When the plug 20 is in butt joint with the socket 10, the insulating base 11 is inserted into the insertion cavity 211, the power terminal 121 is in electric butt joint with the paired power terminal 221, the signal terminal 122 is in electric butt joint with the paired signal terminal 222, and the power and the signals are connected. The magnetic attraction piece 13 and the matched magnetic attraction piece 23 are attracted mutually, so that the connection between the insulating seat 11 and the matched insulating seat 21 is enhanced, and the possibility of loosening and falling is reduced.

In the process of docking the plug 20 with the socket 10, the elastic deformation structure 15 can provide floating adjustment for the insulating seat 11, so that the socket 10 can be adjusted, the plug 20 is adapted to the insertion of the plug 10, the fault tolerance of the socket 10 in the process of plugging is improved, and the plug 20 and the socket 10 can be accurately and effectively docked.

The insulating holder 11 and the counterpart insulating holder 21 are made of hard plastic, but are not limited thereto. The magnetic member 13 and the mating magnetic member 23 may be configured in a conventional manner, for example, including a pair of magnets of opposite polarities, which are well known to those skilled in the art, and will not be described in detail herein. The magnetic attraction piece 13 is provided around the terminal group 12, and the mating magnetic attraction piece 23 is provided around the mating terminal group 22, but is not limited thereto.

As shown in fig. 4 and 5, the elastic deformation structure 15 is arranged in a bending manner, and the elastic deformation structure 15 can at least bend and deform along the axial direction and the circumferential direction of the insulating base 11. The elastic deformation structure 15 is applied to be a bending structure, the insulating seat 11 floats relative to the mounting seat 14, so that the azimuth adjustment is convenient, and in the adjustment process, the insulating seat 11 also mainly moves along the axial direction (arrow X direction in fig. 5) and the circumferential direction (arrow Y direction in fig. 5) of the insulating seat, so that the elastic deformation structure 15 is arranged to be bent and deformed at least along the axial direction and the circumferential direction of the insulating seat 11, and the adjustment of the insulating seat 11 is facilitated.

Specifically, the elastic deformation structure 15 is an annular structure, the elastic deformation structure 15 includes an inner ring structure 151, an outer ring structure 153, and a bending structure 152 connected to the inner ring structure 151 and the outer ring structure 153, the inner ring structure 151 is sleeved on the insulating base 11, and the outer ring structure 153 is clamped on the mounting base 14.

The bending structure 152 mainly bears the deformation function of the elastic deformation structure 15, preferably, the section of the bending structure 152 is in a U shape, and the opening faces to one side where the end face of the insulating seat 11 is located, so that the deformation function of the bending structure 152 is exerted to the greatest extent, and a larger stretching deformation space is provided. Of course, the cross section of the "bending structure 152" may be applied to a structure form such as a "V" shape, which performs a similar function, according to actual needs. In the present utility model, the elastic deformation structure 15 is an elastic silicone rubber structure, but is not limited thereto.

As shown in fig. 6 to 8, the power terminal 121 has a butt end, the butt end includes a plurality of contact elastic pieces 1211 arranged in a circle around a central axis of the power terminal 121, the contact elastic pieces 1211 are arranged at intervals, the plurality of contact elastic pieces 1211 form a multi-contact clamping jaw structure, stable engagement is provided, the contact area of the plurality of contact elastic pieces 1211 is increased, and the maximum current-resistant capability of the power terminal 121 is improved. Further, the contact elastic pieces 1211 are arranged in a bending manner, the butt ends are gradually closed, and the power terminal 121 and the mating power terminal 221 are more stably butted by the closed butt ends, so that the power terminal 121 and the mating power terminal 221 are not easy to loose. The butt end is sleeved with a terminal protective sleeve 16. The terminal protective sheath 16 serves to protect the butt end, limit the butt end from being excessively spread, and also serve to insulate.

As shown in fig. 6 to 11, the signal terminal 122 includes a contact boss 1221, an elastic member 1222, a ball 1223, and a contact 1224. The contact sleeve 1221 has a mounting cavity 1225 with an opening at an end, the elastic member 1222, the ball 1223 and the contact head 1224 are mounted in the mounting cavity 1225, the elastic member 1222 is disposed between the contact sleeve 1221 and the ball 1223, the ball 1223 is disposed between the elastic member 1222 and the contact head 1224, the contact head 1224 passes through the opening, the contact head 1224 has an abutment surface 1226 abutting against the ball 1223 and being obliquely disposed, and the elastic member 1222 has a constant tendency to eject the ball 1223 out of the mounting cavity 1225, so that the ball 1223 is constantly pressed against the abutment surface 1226. The compressive force of the spring 1222 ejects the contact 1224, bringing the signal terminal 122 into tight contact with the mating signal terminal 222. Because of the angled abutment surface 1226 provided by the contact 1224, the ball 1223 more forcefully ejects the contact 1224. Preferably, the elastic member 1222 is a spring, but the elastic member 1222 may be made of silicone rubber or the like according to practical needs, and is not limited thereto. The end of the contact 1224 is hemispherical and the contact 1224 resembles a "bullet" head structure, but is not limited thereto. Correspondingly, the end surfaces of the mating signal terminals 222 are recessed, which facilitates mating with the contact heads 1224.

As shown in fig. 1 to 11, the outer side wall of the insulating base 11 is sleeved with a sealing ring 17, and the sealing ring 17 improves the sealing performance of the butt joint of the reinforced socket 10 and the plug 20, so that accidents caused by water infiltration are avoided. Preferably, the sealing ring 17 is a waterproof silica gel ring, is integrally injection molded with the insulating base 11, and has a more stable structure compared with the common assembly, so that the sealing ring is prevented from falling off. The mounting base 14 is made of hard plastic, and the mounting base 14 is used for being mounted on a frame and other structures to play a role in supporting and bearing.

Further, the mating insulator seat 21 extends outwardly along its circumference to form a fitting seat 24, and the plug 20 further includes a plug positioning member 25 mounted to the insertion cavity 211. Holes are formed in the peripheral corners of the assembly base 24, and the assembly base 24 can be mounted on a frame or other structure by using screws to fix the plug 20. A mating positioning hole 111 is formed in the top of the insulating base 11. After the plug 20 is docked with the socket 10, the plugging positioning piece 25 is inserted into the docking positioning hole 111, so that the insulating base 11 is accurately aligned and docked with the mating insulating base 21. Preferably, the opposite insertion positioning hole 111 is a bent piece, but is not limited thereto.

The following briefly describes the operation of the connector assembly 100 of the present utility model: the operation plug 20 and the socket 10 are close to each other, the insulating base 11 is inserted into the insertion cavity 211, the insertion positioning piece 25 is inserted into the opposite insertion positioning hole 111, the magnetic attraction piece 13 and the mating magnetic attraction piece 23 are attracted to each other, the power supply terminal 121 is abutted with the mating power supply terminal 221, and the signal terminal 122 is abutted with the mating signal terminal 222. In the docking process, the insulating base 11 is moved and adjusted in the left-right up-down direction by means of the deformation of the elastic deformation structure 15, and the plug 20 is accurately docked with the socket 10 in cooperation with the insertion of the plug 20. After the plug 20 is docked with the socket 10, transmission of power and signals is achieved.

The foregoing disclosure is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims

1. A socket, comprising:

an insulating base;

the terminal group is fixed in the insulating seat and comprises a plurality of power terminals and/or signal terminals;

the magnetic attraction piece is fixed in the insulating seat;

the mounting seat is provided with a mounting hole, and the insulating seat is arranged in the mounting hole in a penetrating manner;

the elastic deformation structure is arranged between the insulating seat and the mounting seat and provides floating adjustment for the insulating seat.

2. The socket of claim 1, wherein the elastically deformable structure is arranged in a bent configuration, and the elastically deformable structure is at least capable of bending and deforming along an axial direction and a circumferential direction of the insulating base.

3. The socket of claim 2, wherein the elastically deformable structure is an annular structure, the elastically deformable structure comprises an inner ring structure, an outer ring structure and a bending structure connected to the inner ring structure and the outer ring structure, the inner ring structure is sleeved on the insulating seat, and the outer ring structure is clamped on the mounting seat.

4. The socket of claim 1, wherein the power terminal has a mating end including a plurality of contact spring pieces arranged in a circle about a central axis of the power terminal, the contact spring pieces being spaced apart.

5. The jack of claim 4, wherein said contact spring is arranged in a serpentine configuration and progressively closes said mating end, said mating end being sleeved with a terminal protective sleeve.

6. The socket of claim 1, wherein the signal terminal comprises a contact sleeve, an elastic member, a ball and a contact head, the contact sleeve has a mounting cavity with an opening at an end, the elastic member, the ball and the contact head are mounted in the mounting cavity, the elastic member is arranged between the contact sleeve and the ball, the ball is arranged between the elastic member and the contact head, the contact head penetrates out of the opening, the contact head has an abutting surface abutting against the ball and being obliquely arranged, and the elastic member constantly has a tendency to eject the ball out of the mounting cavity so that the ball is constantly pressed against the abutting surface.

7. The socket of claim 1, wherein a sealing ring is sleeved on the outer side wall of the insulating seat, and a butt-inserting positioning hole is formed in the top of the insulating seat.

8. A connector assembly comprising a plug and a receptacle according to any one of claims 1 to 7, the plug comprising a mating insulator, a mating terminal set and a mating magnetic element, the mating insulator having an insertion cavity, the mating terminal set being secured to the mating insulator and passing through the insertion cavity, the mating terminal set comprising a plurality of mating power terminals and/or mating signal terminals, the mating magnetic element being secured within the mating insulator.

9. The connector assembly of claim 8, wherein the end surfaces of the mating signal terminals are recessed.

10. The connector assembly of claim 8, wherein the mating insulator seat extends outwardly along a circumferential direction thereof to form a mounting seat, and wherein the plug further comprises a plug-in retainer mounted to the insertion cavity.